hxxp:///home/petik/shadowserver/malware/2024-05-31_68d7d9360851a5701412fd6729af26e9_bkransomware

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
31-05-2024 11:26

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General

Target

http:///home/petik/shadowserver/malware/2024-05-31_68d7d9360851a5701412fd6729af26e9_bkransomware

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2988	msedge.exe
2988	msedge.exe
1976	msedge.exe
1976	msedge.exe
868	identity_helper.exe
868	identity_helper.exe
1456	msedge.exe
1456	msedge.exe
1456	msedge.exe
1456	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe
1976	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2216	1976	msedge.exe	82
PID 1976 wrote to memory of 2216	1976	msedge.exe	82
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 1020	1976	msedge.exe	84
PID 1976 wrote to memory of 2988	1976	msedge.exe	85
PID 1976 wrote to memory of 2988	1976	msedge.exe	85
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86
PID 1976 wrote to memory of 2888	1976	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http:///home/petik/shadowserver/malware/2024-05-31_68d7d9360851a5701412fd6729af26e9_bkransomware
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x100,0x104,0x108,0xfc,0xd8,0x7ffb6a6b46f8,0x7ffb6a6b4708,0x7ffb6a6b4718
  2⤵
  PID:2216
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2100 /prefetch:2
  2⤵
  PID:1020
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2160 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2988
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2776 /prefetch:8
  2⤵
  PID:2888
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3252 /prefetch:1
  2⤵
  PID:3744
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3288 /prefetch:1
  2⤵
  PID:3596
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5036 /prefetch:1
  2⤵
  PID:3684
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4876 /prefetch:1
  2⤵
  PID:4088
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5200 /prefetch:8
  2⤵
  PID:4748
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5200 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:868
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5016 /prefetch:1
  2⤵
  PID:4472
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4144 /prefetch:1
  2⤵
  PID:3748
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4944 /prefetch:1
  2⤵
  PID:1724
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5392 /prefetch:1
  2⤵
  PID:1964
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1840 /prefetch:1
  2⤵
  PID:4360
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1048 /prefetch:1
  2⤵
  PID:4256
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2084,5063056392660506476,16581213128009412337,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4848 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1456

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1844

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
2daa93382bba07cbc40af372d30ec576

SHA1
c5e709dc3e2e4df2ff841fbde3e30170e7428a94

SHA256
1826d2a57b1938c148bf212a47d947ed1bfb26cfc55868931f843ee438117f30

SHA512
65635cb59c81548a9ef8fdb0942331e7f3cd0c30ce1d4dba48aed72dbb27b06511a55d2aeaadfadbbb4b7cb4b2e2772bbabba9603b3f7d9c8b9e4a7fbf3d6b6b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
ecdc2754d7d2ae862272153aa9b9ca6e

SHA1
c19bed1c6e1c998b9fa93298639ad7961339147d

SHA256
a13d791473f836edcab0e93451ce7b7182efbbc54261b2b5644d319e047a00a7

SHA512
cd4fb81317d540f8b15f1495a381bb6f0f129b8923a7c06e4b5cf777d2625c30304aee6cc68aa20479e08d84e5030b43fbe93e479602400334dfdd7297f702f2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
36d14a80bdb57a60b45487c8c1a0893d

SHA1
82cb71c8b67acadfc0cf838c6210be1d547066d3

SHA256
d3f2e862913ccbe533dfb5b40252db029f022cc6c552f2e945070731fe061567

SHA512
9320b4d853b2a4a4d689b8ec5627367202d1b416e21a7a870f8a4f11fb0657e5c4b8f555d125ae25c63194954464dc059cf6b547e8d2eb763cdd5953e2d2b19a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
6694da1ac3158b5752c6e4d278677bd8

SHA1
e592ed0c04470af2d8b97638acdef8798bcf84cf

SHA256
42e8829feb794f62ab483ee304baabd2e325ab8cb7aa1ecba9ca4e2cc99f43f8

SHA512
ce3c52d7f7f43f8b5c91c7e28112a0bc5ffb052d6329920929d366d076abbcc653eeb93ea56df8b26dd4cdd849a2bc3e6245188cf437d7a92053d95a66712b07

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
4b7c861aea6e20a22a83a2287acca1a3

SHA1
42631bf18d35c9aa5263dee3894c9ee78bb4da18

SHA256
f14681313b2dc83627b2972db94345612a196a2f81e61d85ae3bc0343e5feda4

SHA512
3180c94f46c838ba706887c0390ffe4219207a25a6113e3808077af4ca2dee7d7f01db62888d991ba904a6e52317e8c0658b25c7b3da6cfcdf35ce95f33cbd71

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
10KB

MD5
9d79f9eb5053f2413731232d33c856ac

SHA1
15dd6caf6429c8adc2dd423a23bae256437e9052

SHA256
9a13de29cc29daf681a7ea060e74ecb5d78bd75a267f8270d18ddb2cfad23a09

SHA512
13bd98a4a9aa74696bf1fa7bd97e473928ccb1cdd490c77ca8f45eb2f9b61e7c5e3425f1594a669d6f3c4c480d25df04e30cb112d553b2c1dd3897a626b77e65

Download Submit